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DR. KALAISELVI BALASUBRAMANIAN WILLIAMS MD, MPH
NPI 1043768351
Internal Medicine in Portland, OR

Active since September 15, 2016PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD # L475, PORTLAND, OR 97239(503) 494-6551(503) 494-0979 Get Directions Write a Review

NPPES record last updated: May 12, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 12, 2022, Sep 8, 2020, Sep 15, 2016 (3 updates tracked since 2016).

About Dr. Kalaiselvi Balasubramanian Williams Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KALAISELVI BALASUBRAMANIAN WILLIAMS MD, MPH (NPI 1043768351) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD23938) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1043768351
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KALAISELVI BALASUBRAMANIAN WILLIAMSCredential: MD, MPH
Location Address3181 SW SAM JACKSON PARK RD # L475Portland, OR 97239-3011
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3098 · (503) 494-7943
Phone(503) 494-6551
Fax(503) 494-0979
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateSeptember 15, 2016
Last NPPES UpdateMay 12, 20223 updates tracked since enumeration
NPPES CertifiedMay 12, 2022
✔ NPI 1043768351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD23938
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License MD23938 (OR)
3181 SW SAM JACKSON PARK RD # L475, Portland, OR 97239
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Other Names 1

Professional Name (2)Dr. Selvi B Williams Md, Mph

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kalaiselvi Balasubramanian Williams Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991078115
PECOS Enrollment IDI20200813002778
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
101 services69 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
99 services86 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
79 services72 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
25 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
14 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380060
Location10123 SE Market StreetPortland, OR 97216 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AFAF SHAREN AZAR MD
Internal Medicine
3181 SW SAM JACKSON PARK RD # L475
PORTLAND, OR 97239
Multnomah County (503) 494-6551
DR. SARA HAYS ARCHER MD
Internal Medicine
3181 SW SAM JACKSON PARK RD # L475
PORTLAND, OR 97239
Multnomah County (503) 494-6551
DR. CHRISTINE ELIZABETH MULLOWNEY M.D.
Internal Medicine
3181 SW SAM JACKSON PARK RD # L475
PORTLAND, OR 97239
Multnomah County (503) 494-8562

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kalaiselvi Williams's NPI number?

The NPI number for Kalaiselvi Williams is 1043768351. It was assigned to this individual provider in the NPPES registry on September 15, 2016. The provider is also known as Dr. Selvi B Williams MD, Mph.

Where is Kalaiselvi Williams located?

Kalaiselvi Williams practices at 3181 SW Sam Jackson Park Rd # L475, Portland, OR 97239. The listed phone number is (503) 494-6551.

What is Kalaiselvi Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Kalaiselvi Williams enrolled in Medicare?

Yes. Kalaiselvi Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kalaiselvi Williams accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Kalaiselvi Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kalaiselvi Williams affiliated with any hospitals?

According to CMS data, Kalaiselvi Williams is affiliated with Ohsu Hospital And Clinics and Adventist Health Portland.

When was this NPI record last updated?

The NPPES record for Kalaiselvi Williams was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.